Year	kt
1990	991246.4
1991	916298.1
1992	850698.7
1993	826253.11
1994	805509.9000000001
1995	809241.02
1996	835209.1000000001
1997	809596.5999999999
1998	760226.6999999998
1999	717907
2000	710574.87
2001	722553.0000000001
2002	707700.2
2003	736222.0999999999
2004	735101.1
2005	735068.0000000001
2006	753388.1000000001
2007	758838.8
2008	740343.5999999999
2009	684780.6
2010	708417.8999999999
2011	709498.9
2012	682324.9
2013	655837.7000000001
2014	635436.4999999999
2015	644755.9999999999
2016	656753.9
2017	684083.2999999999
2018	678446.5
2019	643612.1
2020	598490.02